But WiiU is crap, especially nowadays. Just get a Dreamcast to play some incredible hidden gems like Skies of Arcadia (DC version is better than GC if you ask me) or a fan-made Kingdom Hearts and tons of other great games and perhaps a PS2 too if you want to play something that PCSX2 doesn't properly support yet.
It will be worth money, for spare parts, probably around 2-3$
Seriously, are you willing to spend 80$ in hopes (no guarantee) that you can profit off of it 10 years from now? You got better chances of making profit by investing in stocks...